8x-15=9x-7

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Solution for 8x-15=9x-7 equation: 



8x-15=9x-7

We move all terms to the left:

8x-15-(9x-7)=0

We get rid of parentheses

8x-9x+7-15=0

We add all the numbers together, and all the variables

-1x-8=0

We move all terms containing x to the left, all other terms to the right

-x=8

x=8/-1

x=-8

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